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Energy transfer in battery during charging
Electrical
to chemical
Energy transfers when mobile phone runs
Chemical
to electrical to
sound
Ways of providing energy
Turbine
Coal to provide
heat
Coal to provide
electricity
Solar
panel
Wave turbine
Waste
to provide heat
Fossil
fuels
Coal
Gas
Solar panel source of energy is
sunlight
Solar panel cannot work at
night
due to lack of
sunlight
What makes the turbine blades go round
Turns a
generator
Renewable energy
resources will not
run out
Renewable energy source
Wind
Time appears to
slow down
for
moving
objects due to relativistic effects.
Einstein's theory of
relativity
explains this phenomenon as a result of
space-time
being curved by mass and energy.
The
faster
an object moves, the more it
curves spacetime
around itself.
This
curvature
causes time dilation, where time seems to pass
slower
for moving objects compared to stationary ones.
Light
waves appear less energetic (redder) because their wavelength has increased, resulting in gravitational
redshift.
Another
example is that gravity also warps spacetime, causing clocks at different heights or locations to tick differently.
Gravitational redshift
occurs when light waves are stretched as they move
away
from massive objects like stars or black holes.